Aero Precision M4E1 Pro Ambi Complete Lower Receiver w/MOE Grip & SL Stock, Black Anodized

Out of stock
as of 06/15/2024 12:29AM CST
Store Inventory
Available OnlineOut of stock
Fountain Valley, CAOut of stock
The Colony, TXOut of stock
MPN: APAR600194

Inter-Store Transfer

If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by email once your item has arrived at the destination.

Aero Precision M4E1 Pro is a fully ambidextrous forged receiver with the aesthetic you would find on many billet offerings. Constructed from 7075-T6 aluminum, the M4E1 uses Mil-Spec AR-15 parts. The M4E1 Pro includes an ambidextrous bolt catch/release and ambidextrous magazine release. The ambidextrous bolt catch is compatible with the M4E1 upper receiver.

This complete lower includes a M4E1 Pro lower, mil-spec lower parts, mil-spec carbine receiver extension, Magpul MOE grip, SL stock and carbine buffer assembly.

Platform AR15
Material Machined from 7075-T6 forged aluminum
Finish Anodized Black
Markings "Cal Multi"
Compatibility Works with standard AR15 components and magazines
Features Ambidextrous bolt catch/release, Ambidextrous magazine release
Other Rear takedown pin detent hole is threaded for a 4-40 set screw(Not Included). Threaded Bolt Catch Roll Pin (included). Upper Tension Screw(included)

Important note about our photos
While we make every effort to ensure that our product photos are accurate, manufacturers occasionally change the design of components such as triggers, sights, or magazines without notice. Also, modifications to the firearm or component may be required in order to meet specific state compliance requirements. While we make every effort to accurately describe and illustrate the item you are going to receive, there may be visual differences on various components that do not affect functionality.

Federal law requires that you be 21 years of age or older to purchase a handgun, frame or receiver. To purchase a shotgun or rifle, you must be 18 years of age or older. 18 U.S.C. Section 922(b)(1).

As required by federal law, this item may only be shipped to a dealer with a valid Federal Firearms License. If you do not specify the name and shipping address of your dealer, your order will be delayed.
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California Residents
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to


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